With the Grand Finale just around the corner, the Top 5 duos face a MasterChef rite of passage - The Wall. Both cooks in each duo must make the exact same dish - whilst divided by a giant 8 ft high wall, communicating by shouting over it. The duos must be in sync every single step of the way to ensure their dish not only looks the same but tastes exactly the same as well. The pair who make the worst dish will be eliminated. (thetvdb.com)